Stephen John PENNYCOOK

Stephen John PENNYCOOK


Ph. D., University of Cambridge, 1979
Master of Arts, University of Cambridge, 1979
Bachelor of Arts, University of Cambridge, 1975


Room: EA 07-14
Tel: ++(65) 6516-5193
Fax:++(65) 6776-3604
Group website: The Pennycook Group


Research Interests

Prof. Pennycook’s research focuses on materials and nanostructures investigated with atomic-resolution Z contrast scanning transmission electron microscopy and electron energy loss spectroscopy.


Selected Publications:

  1. Pennycook, S. J. Scanning Transmission Electron Microscopy; Pennycook, S. J.; Nellist, P. D., Eds.; Springer New York: New York, NY, 2011; pp. 1–90. ISBN:978-1-4419-7199-9
  2. Lin, J.; Cretu, O.; Zhou, W.; Suenaga, K.; Prasai, D.; Bolotin, K. I.; Cuong, N. T.; Otani, M.; Okada, S.; Lupini, A. R.; Idrobo, J.-C.; Caudel, D.; Burger, A.; Ghimire, N. J.; Yan, J.; Mandrus, D. G.; Pennycook, S. J.; Pantelides, S. T. Flexible Metallic Nanowires with Self-Adaptive Contacts to Semiconducting Transition-Metal Dichalcogenide Monolayers. Nature nanotechnology 2014, 9, 436–442. http://10.1038/nnano.2014.81
  3. Li, C.; Wu, Y.; Poplawsky, J.; Pennycook, T. J.; Paudel, N.; Yin, W.; Haigh, S. J.; Oxley, M. P.; Lupini, A. R.; Al-Jassim, M.; Pennycook, S. J.; Yan, Y. Grain-Boundary-Enhanced Carrier Collection in CdTe Solar Cells. Phys Rev Lett 2014, 112, 156103. http://10.1103/PhysRevLett.112.156103
  4. Ishikawa, R.; Lupini, A. R.; Findlay, S. D.; Taniguchi, T.; Pennycook, S. J. Three-Dimensional Location of a Single Dopant with Atomic Precision by Aberration-Corrected Scanning Transmission Electron Microscopy. Nano Lett 2014, 1903−1908. http://10.1021/nl500564b
  5. Lin, J.; Fang, W.; Zhou, W.; Lupini, A. R.; Idrobo, J.-C.; Kong, J.; Pennycook, S. J.; Pantelides, S. T. AC/AB Stacking Boundaries in Bilayer Graphene. Nano Lett 2013, 13, 3262–3268.
  6. Lee, J.; Zhou, W.; Pennycook, S. J.; Idrobo, J.-C.; Pantelides, S. T. Direct Visualization of Reversible Dynamics in a Si6 Cluster Embedded in a Graphene Pore. Nature Communications 2013, 4, 1650–7.
  7. Kim, Y.-M.; He, J.; Biegalski, M. D.; Ambaye, H.; Lauter, V.; Christen, H. M.; Pantelides, S. T.; Pennycook, S. J.; Kalinin, S. V.; Borisevich, A. Y. Probing Oxygen Vacancy Concentration and Homogeneity in Solid-Oxide Fuel-Cell Cathode Materials on the Subunit-Cell Level. Nature Materials 2012, 11, 1–7.
  8. Zhou, W.; Kapetanakis, M.; Prange, M.; Pantelides, S. T.; Pennycook, S. J.; Idrobo, J.-C. Direct Determination of the Chemical Bonding of Individual Impurities in Graphene. Phys Rev Lett 2012, 109, 206803.
  9. Borisevich, A. Y.; Chang, H. J.; Huijben, M.; Oxley, M. P.; Okamoto, S.; Niranjan, M. K.; Burton, J. D.; Tsymbal, E. Y.; Chu, Y. H.; Yu, P.; Ramesh, R.; Kalinin, S. V.; Pennycook, S. J. Suppression of Octahedral Tilts and Associated Changes in Electronic Properties at Epitaxial Oxide Heterostructure Interfaces. Phys Rev Lett 2010, 105, 087204.
  10. Krivanek, O. L.; Chisholm, M. F.; Nicolosi, V.; Pennycook, T. J.; Corbin, G. J.; Dellby, N.; Murfitt, M. F.; Own, C. S.; Szilagyi, Z. S.; Oxley, M. P.; Pantelides, S. T.; Pennycook, S. J. Atom-by-Atom Structural and Chemical Analysis by Annular Dark-Field Electron Microscopy. Nature 2010, 464, 571–574.